China blast: Firefighter's families in search of answers turned away

August 15, 2015 2:08 PM

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Tianjin, China (CNN)Liu Runwen's only son was among the first firefighters to arrive at the scene of the fire that engulfed a chemical storage facility in Tianjin, China, late Wednesday, sending fireballs into the sky.

"I learned what happened on television -- and even now no one has contacted me," she said.